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transmission/gtk/tr_torrent.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2007 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <string.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include "transmission.h"
#include "bencode.h"
/* XXX */
#define TR_WANT_TORRENT_PRIVATE
#include "tr_prefs.h"
#include "tr_torrent.h"
#include "util.h"
enum {
TR_TORRENT_HANDLE = 1,
TR_TORRENT_DIR,
TR_TORRENT_PAUSED,
};
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class);
static void
tr_torrent_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void
tr_torrent_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void
tr_torrent_class_init(gpointer g_class, gpointer g_class_data);
static void
tr_torrent_dispose(GObject *obj);
static void
tr_torrent_set_folder(TrTorrent *tor);
static gboolean
tr_torrent_paused(TrTorrent *tor);
static gpointer
tracker_boxed_fake_copy( gpointer boxed )
{
return boxed;
}
static void
tracker_boxed_fake_free( gpointer boxed SHUTUP )
{
}
GType
tr_tracker_boxed_get_type( void )
{
static GType type = 0;
if( 0 == type )
{
type = g_boxed_type_register_static( "TrTrackerBoxed",
tracker_boxed_fake_copy,
tracker_boxed_fake_free );
}
return type;
}
GType
tr_torrent_get_type(void) {
static GType type = 0;
if(0 == type) {
static const GTypeInfo info = {
sizeof (TrTorrentClass),
NULL, /* base_init */
NULL, /* base_finalize */
tr_torrent_class_init, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (TrTorrent),
0, /* n_preallocs */
tr_torrent_init, /* instance_init */
NULL,
};
type = g_type_register_static(G_TYPE_OBJECT, "TrTorrent", &info, 0);
}
return type;
}
static void
tr_torrent_class_init(gpointer g_class, gpointer g_class_data SHUTUP) {
GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
GParamSpec *pspec;
gobject_class->set_property = tr_torrent_set_property;
gobject_class->get_property = tr_torrent_get_property;
gobject_class->dispose = tr_torrent_dispose;
pspec = g_param_spec_pointer("torrent-handle", "Torrent handle",
"Torrent handle from libtransmission",
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_HANDLE, pspec);
pspec = g_param_spec_string("download-directory", "Download directory",
"Directory to download files to", NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_DIR, pspec);
pspec = g_param_spec_boolean("paused", "Paused",
"Is the torrent paused or running", TRUE,
G_PARAM_READWRITE);
g_object_class_install_property(gobject_class, TR_TORRENT_PAUSED, pspec);
}
static void
tr_torrent_init(GTypeInstance *instance, gpointer g_class SHUTUP) {
TrTorrent *self = (TrTorrent *)instance;
#ifdef REFDBG
fprintf( stderr, "torrent %p init\n", self );
#endif
self->handle = NULL;
self->dir = NULL;
self->delfile = NULL;
self->severed = FALSE;
self->disposed = FALSE;
}
static void
tr_torrent_set_property(GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec) {
TrTorrent *self = (TrTorrent*)object;
if(self->severed)
return;
switch(property_id) {
case TR_TORRENT_HANDLE:
g_assert(NULL == self->handle);
self->handle = g_value_get_pointer(value);
if(NULL != self->handle && NULL != self->dir)
tr_torrent_set_folder(self);
break;
case TR_TORRENT_DIR:
g_assert(NULL == self->dir);
self->dir = g_value_dup_string(value);
if(NULL != self->handle && NULL != self->dir)
tr_torrent_set_folder(self);
break;
case TR_TORRENT_PAUSED:
g_assert(NULL != self->handle);
if(tr_torrent_paused(self) != g_value_get_boolean(value))
(g_value_get_boolean(value) ? tr_torrentStop : tr_torrentStart)
(self->handle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void
tr_torrent_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec) {
TrTorrent *self = (TrTorrent*)object;
if(self->severed)
return;
switch(property_id) {
case TR_TORRENT_HANDLE:
g_value_set_pointer(value, self->handle);
break;
case TR_TORRENT_DIR:
g_value_set_string(value, (NULL != self->dir ? self->dir :
tr_torrentGetFolder(self->handle)));
break;
case TR_TORRENT_PAUSED:
g_value_set_boolean(value, tr_torrent_paused(self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void
tr_torrent_dispose(GObject *obj) {
GObjectClass *parent = g_type_class_peek(g_type_parent(TR_TORRENT_TYPE));
TrTorrent *self = (TrTorrent*)obj;
if(self->disposed)
return;
self->disposed = TRUE;
#ifdef REFDBG
fprintf( stderr, "torrent %p dispose\n", self );
#endif
if( !self->severed )
{
tr_torrent_sever( self );
}
if(NULL != self->delfile)
g_free(self->delfile);
/* Chain up to the parent class */
parent->dispose(obj);
}
void
tr_torrent_sever( TrTorrent * self )
{
g_return_if_fail (TR_IS_TORRENT( self ));
if( self->severed )
{
return;
}
#ifdef REFDBG
fprintf( stderr, "torrent %p sever\n", self );
#endif
if( NULL == self->handle )
{
self->severed = TRUE;
return;
}
if( !tr_torrent_paused( self ) )
{
tr_torrentStop( self->handle );
}
tr_torrentClose( self->handle );
self->severed = TRUE;
}
tr_torrent_t *
tr_torrent_handle(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->severed)
return NULL;
return tor->handle;
}
tr_stat_t *
tr_torrent_stat(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->severed)
return NULL;
return tr_torrentStat(tor->handle);
}
tr_info_t *
tr_torrent_info(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->severed)
return NULL;
return tr_torrentInfo(tor->handle);
}
void
tr_torrent_start( TrTorrent * self )
{
TR_IS_TORRENT( self );
if( self->severed || !tr_torrent_paused( self ) )
{
return;
}
tr_torrentStart( self->handle );
}
void
tr_torrent_stop( TrTorrent * self )
{
TR_IS_TORRENT( self );
if( self->severed || tr_torrent_paused( self ) )
{
return;
}
tr_torrentStop( self->handle );
}
static TrTorrent *
maketorrent( tr_torrent_t * handle, const char * dir, gboolean paused )
{
TrTorrent * tor;
tr_torrentDisablePex( handle,
!tr_prefs_get_bool_with_default( PREF_ID_PEX ) );
tor = g_object_new( TR_TORRENT_TYPE, "torrent-handle", handle,
"download-directory", dir, NULL);
g_object_set( tor, "paused", paused, NULL );
return tor;
}
TrTorrent *
tr_torrent_new( tr_handle_t * back, const char *torrent, const char *dir,
enum tr_torrent_action act, gboolean paused, char **err )
{
TrTorrent *ret;
tr_torrent_t *handle;
int errcode, flag;
g_assert(NULL != dir);
*err = NULL;
flag = ( TR_TOR_COPY == act || TR_TOR_MOVE == act ? TR_FLAG_SAVE : 0 );
errcode = -1;
handle = tr_torrentInit( back, torrent, NULL, flag, &errcode );
if(NULL == handle) {
switch(errcode) {
case TR_EINVALID:
*err = g_strdup_printf(_("%s: not a valid torrent file"), torrent);
break;
case TR_EDUPLICATE:
*err = g_strdup_printf(_("%s: torrent is already open"), torrent);
break;
default:
*err = g_strdup(torrent);
break;
}
return NULL;
}
ret = maketorrent( handle, dir, paused );
if( TR_TOR_MOVE == act )
ret->delfile = g_strdup(torrent);
return ret;
}
TrTorrent *
tr_torrent_new_with_data( tr_handle_t * back, uint8_t * data, size_t size,
const char * dir, gboolean paused, char ** err )
{
tr_torrent_t * handle;
int errcode;
g_assert( NULL != dir );
*err = NULL;
errcode = -1;
handle = tr_torrentInitData( back, data, size, NULL, TR_FLAG_SAVE,
&errcode );
if( NULL == handle )
{
switch( errcode )
{
case TR_EINVALID:
*err = g_strdup( _("not a valid torrent file") );
break;
case TR_EDUPLICATE:
*err = g_strdup( _("torrent is already open") );
break;
default:
*err = g_strdup( "" );
break;
}
return NULL;
}
return maketorrent( handle, dir, paused );
}
TrTorrent *
tr_torrent_new_with_state( tr_handle_t * back, benc_val_t * state,
gboolean forcedpause, char ** err )
{
tr_torrent_t * handle;
int ii, errcode;
benc_val_t *name, *data;
char *torrent, *hash, *dir;
gboolean paused;
*err = NULL;
if(TYPE_DICT != state->type)
return NULL;
torrent = hash = dir = NULL;
paused = FALSE;
for(ii = 0; ii + 1 < state->val.l.count; ii += 2) {
name = state->val.l.vals + ii;
data = state->val.l.vals + ii + 1;
if(TYPE_STR == name->type &&
(TYPE_STR == data->type || TYPE_INT == data->type)) {
if(0 == strcmp("torrent", name->val.s.s))
torrent = data->val.s.s;
if(0 == strcmp("hash", name->val.s.s))
hash = data->val.s.s;
else if(0 == strcmp("dir", name->val.s.s))
dir = data->val.s.s;
else if(0 == strcmp("paused", name->val.s.s)) {
paused = (data->val.i ? TRUE : FALSE);
}
}
}
if((NULL != torrent && NULL != hash) ||
(NULL == torrent && NULL == hash) || NULL == dir)
return NULL;
if( NULL != hash )
handle = tr_torrentInitSaved(back, hash, 0, &errcode);
else
handle = tr_torrentInit(back, torrent, NULL, 0, &errcode);
if(NULL == handle) {
torrent = ( NULL == hash ? torrent : hash );
switch(errcode) {
case TR_EINVALID:
*err = g_strdup_printf(_("%s: not a valid torrent file"), torrent);
break;
case TR_EDUPLICATE:
*err = g_strdup_printf(_("%s: torrent is already open"), torrent);
break;
default:
*err = g_strdup(torrent);
break;
}
return NULL;
}
return maketorrent( handle, dir, paused || forcedpause );
}
gboolean
tr_torrent_get_state( TrTorrent * tor, benc_val_t * state )
{
tr_info_t * inf;
TR_IS_TORRENT( tor );
if( tor->severed )
{
return FALSE;
}
inf = tr_torrentInfo( tor->handle );
tr_bencInit( state, TYPE_DICT );
if( tr_bencDictReserve( state, 3 ) )
{
return FALSE;
}
if( TR_FLAG_SAVE & inf->flags )
{
tr_bencInitStr( tr_bencDictAdd( state, "hash" ),
inf->hashString, -1, 1 );
}
else
{
tr_bencInitStr( tr_bencDictAdd( state, "torrent" ),
inf->torrent, -1, 1 );
}
tr_bencInitStr( tr_bencDictAdd( state, "dir" ),
tr_torrentGetFolder( tor->handle ), -1, 1 );
tr_bencInitInt( tr_bencDictAdd( state, "paused" ),
( tr_torrent_paused( tor ) ? 1 : 0 ) );
return TRUE;
}
/* XXX this should probably be done with a signal */
void
tr_torrent_state_saved(TrTorrent *tor) {
TR_IS_TORRENT(tor);
if(tor->severed)
return;
if(NULL != tor->delfile) {
unlink(tor->delfile);
g_free(tor->delfile);
tor->delfile = NULL;
}
}
static void
tr_torrent_set_folder(TrTorrent *tor) {
char *wd;
if(NULL != tor->dir)
tr_torrentSetFolder(tor->handle, tor->dir);
else {
wd = g_new(char, MAX_PATH_LENGTH + 1);
tr_torrentSetFolder(tor->handle,
(NULL == getcwd(wd, MAX_PATH_LENGTH + 1) ? "." : wd));
g_free(wd);
}
}
static gboolean
tr_torrent_paused(TrTorrent *tor) {
tr_stat_t *st = tr_torrentStat(tor->handle);
return (TR_STATUS_INACTIVE & st->status ? TRUE : FALSE);
}
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